Nardin, D. S., Bobrenko, I. A., Goman, N. V., Vakalova, E. A., & Nardina, S. A. (2016). Increasing Economic Efficiency of Producing Wheat in the West Siberia and South Ural as a Factor of Developing Import Substitution. International Review of Management and Marketing, 6(4), 772–778. Retrieved from https://econjournals.org.tr/index.php/irmm/article/view/3073